Quote:
Originally Posted by Ed Wright
He evidently has a '93 if it came with a 4L60 (not an E ), which has no shift issues with what guys call the "stall wall". That is only an issue with the '94/'95 LT1 PCMs. Had zero to do with the tail housing. It's a slip test issue in the '94/'95 PCM. I have a software hack for that. The OBD2 boxes happen to not have that. It has nothing to do with OBD1 or 2.
The '93 required a device programmer (aka "chip burner") and eraser if normal EPROMs are used. Also a couple of EPROMs and a piggy- back board, or spare factory MEMCALs with EPROMs which GM stopped selling in 2007. Some of the later MEMCALs came with OTP (One Time Programmable) proms. Saved GM about $.75 per unit.
Not sure where the 4200 stall limit story came from? Guys are running higher than that.
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YUP.. had that problem when I went to a 3200 Stall Edge Converter.
Bryan Herter send me a 1-2 Shift Bin file to fix that problem.
Based on my Cam and Engine and Dyno Sheet.
The Stall limit for my car is 4200rpm.
D